Novel hydraulic engineering pipeline internal connection sealing device

By assembling the threaded connection and sealing cylinder design of the outer connecting sleeve and the inner connecting sleeve of the reinforcement cylinder structure, the tightness and sealing problems of the water conservancy project pipeline connection are solved, and a stable sealing connection is achieved.

CN223360153UActive Publication Date: 2025-09-19JINAN QINGYUAN WATER WORKS
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Patent Information

Application Number
CN202423030044.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-09-19
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

The existing water conservancy project pipeline joints have poor fixing effects, which affects the tightness and sealing effects.

Method used

An assembled reinforcement tube structure is adopted, including an outer connecting sleeve and an inner connecting sleeve, which are fastened and sealed by threaded connection and sealing tube. The outer connecting sleeve and the inner connecting sleeve are respectively welded to the connecting plate, and the inner connecting sleeve is inserted into the pipe and fixed by assembly bolts.

Benefits of technology

It improves the tightness and sealing of pipe connections, prevents loosening, and enhances the sealing effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223360153U_ABST
Patent Text Reader

Abstract

The utility model provides a novel hydraulic engineering pipeline internal connection sealing device which comprises a first pipeline and a second pipeline. A second connecting disc is arranged on the right side of the first pipeline; a first connecting disc is arranged on the left side of the second pipeline; the outer sides of the second connecting disc and the first connecting disc are respectively connected with an assembly reinforcing cylinder structure; a penetrating sealing disc structure is connected between the first connecting disc and the second connecting disc, and the connecting structure is characterized in that the assembly reinforcing cylinder structure comprises an outer connecting sleeve, the periphery of the interior of the outer connecting sleeve is in threaded connection with assembly bolts, and the inner sides of the assembly bolts are in threaded connection with inner connecting sleeves; the inner connecting sleeve is arranged on the inner side of the outer connecting sleeve; a sealing cylinder is embedded in the outer wall of the inner connecting sleeve. Through the arrangement of the assembly reinforcing cylinder structure, the first connecting disc and the second connecting disc are matched for fastening connection, and the situation that the sealing performance is affected due to the fact that the connecting position is loosened is prevented.
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Description

Technical Field

[0001] The utility model belongs to the technical field of internal connection and sealing of pipelines, and in particular relates to a novel internal connection and sealing device for pipelines in water conservancy projects. Background Art

[0002] The internal connection sealing device of the water conservancy project pipeline is an instrument device installed on the pipeline of the water conservancy project to assist in assembling and sealing the connection when the pipelines are connected to each other. The instrument device maintains the sealed connection of multiple sections of pipelines, thereby stably conveying the medium. However, the fixing effect of the connection installed on the pipeline is poor, which in turn affects the tightness of the pipeline connection and the single sealing method of the pipeline, affecting the sealing effect. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a new internal connection sealing device for water conservancy project pipelines, which realizes the function of fastening connection at the installation point, thereby ensuring the fastening of the pipeline connection and adding a sealing method to the pipeline connection to increase the sealing effect.

[0004] The technical solution is as follows: a new type of internal connection sealing device for water conservancy project pipelines, including a first pipeline and a second pipeline; a second connection plate is provided on the right side of the first pipeline; a first connection plate is provided on the left side of the second pipeline; the second connection plate and the outer side of the first connection plate are respectively connected with an assembly reinforcement tube structure; an interlaced sealing plate structure is connected between the first connection plate and the second connection plate, and is characterized in that the assembly reinforcement tube structure includes an outer connecting sleeve, and the inner four sides of the outer connecting sleeve are respectively threadedly connected with assembly bolts, and the inner side of the assembly bolts is threadedly connected with an inner connecting sleeve; the inner connecting sleeve is provided on the inner side of the outer connecting sleeve; and the outer wall of the inner connecting sleeve is inlaid with a sealing tube.

[0005] Preferably, the outer connecting sleeve and the inner connecting sleeve are welded to the left end of the second connecting disk and the right end of the first connecting disk respectively.

[0006] Compared with the prior art, the beneficial effects of the present invention are:

[0007] In the present invention, the outer connecting sleeve and the inner connecting sleeve are arranged to cooperate with the first connecting plate and the second connecting plate for a tight connection, thereby preventing the connection from loosening and affecting the sealing performance.

[0008] In the utility model, the sealing cylinder is provided to provide sealing protection when the outer connecting sleeve and the inner connecting sleeve are connected. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural diagram of the present utility model.

[0010] Figure 2It is a structural schematic diagram of the assembly reinforcement tube structure of the present utility model.

[0011] Figure 3 It is a structural schematic diagram of the interpenetrating sealing disc structure of the present utility model.

[0012] In the picture:

[0013] 1. First pipeline; 2. Second pipeline; 3. First connecting plate; 4. Assembly reinforcement tube structure; 41. External connecting sleeve; 42. Assembly bolt; 43. Internal connecting sleeve; 44. Sealing tube; 5. Second connecting plate; 6. Interpenetrating sealing plate structure; 61. Protective ring; 62. First protective tube; 63. Second protective tube. DETAILED DESCRIPTION

[0014] The present invention will be further described below with reference to the accompanying drawings:

[0015] Example:

[0016] As attached Figure 1 As shown, a new internal connection sealing device for water conservancy project pipelines includes a first pipeline 1 and a second pipeline 2; a second connection plate 5 is provided on the right side of the first pipeline 1; a first connection plate 3 is provided on the left side of the second pipeline 2; the second connection plate 5 and the outer side of the first connection plate 3 are respectively connected to an assembled reinforcement tube structure 4; an interlaced sealing plate structure 6 is connected between the first connection plate 3 and the second connection plate 5.

[0017] As attached Figure 2 As shown, in the above embodiment, specifically, the assembly reinforcement tube structure 4 includes an outer connecting sleeve 41, and the four sides of the inner part of the outer connecting sleeve 41 are respectively threadedly connected with assembly bolts 42, and the inner side of the assembly bolts 42 is threadedly connected with an inner connecting sleeve 43; the inner connecting sleeve 43 is arranged on the inner side of the outer connecting sleeve 41; the outer wall of the inner connecting sleeve 43 is inlaid with a sealing sleeve 44; the outer connecting sleeve 41 outside the first connecting plate 3 and the second connecting plate 5 is sleeved on the first pipe 1 or the second pipe 2, and the inner connecting sleeve 43 is inserted into the first pipe 1 and the second pipe 2, and finally the assembly bolts 42 are rotated in the outer connecting sleeve 41 and the inner connecting sleeve 43 to fix them.

[0018] As attached Figure 3 As shown, in the above embodiment, specifically, the interpenetrating sealing disk structure 6 includes a protective ring 61 , and the left and right ends of the protective ring 61 are respectively integrated with a first protective tube 62 and a second protective tube 63 .

[0019] In the above embodiment, specifically, the outer connecting sleeve 41 and the inner connecting sleeve 43 are welded to the left end of the second connecting plate 5 and the right end of the first connecting plate 3 respectively.

[0020] In the above embodiment, specifically, the inner connecting sleeves 43 are respectively inserted into the inner sides of the first pipe 1 and the second pipe 2 and fixed by assembling bolts 42 .

[0021] In the above embodiment, specifically, the sealing cylinder 44 is a rubber cylinder, and the inside thereof is interpenetratingly connected with the assembling bolt 42 to maintain the sealing of the connection.

[0022] In the above embodiment, specifically, the protection ring 61 is a rubber ring, and bolts and nuts are fixed at the connection between the first connection plate 3 and the second connection plate 5 to maintain the sealing effect of the connection.

[0023] In the above embodiment, specifically, the first protective tube 62 and the second protective tube 63 are respectively made of rubber tubes, and are both connected to the first pipe 1 and the second pipe 2 through insertion, thereby increasing the sealing method and thus improving the sealing performance.

[0024] How it works

[0025] The working principle of the present invention is as follows: when sealingly connecting the multi-section first pipe 1 and the second pipe 2 to each other, the outer connecting sleeve 41 outside the first connecting plate 3 and the second connecting plate 5 is sleeved on the first pipe 1 or the second pipe 2, and the inner connecting sleeve 43 is inserted into the first pipe 1 and the second pipe 2. Finally, the assembly bolts 42 are rotated in the outer connecting sleeve 41 and the inner connecting sleeve 43 to fix them. After the fixation is completed, the first protective tube 62 and the second protective tube 63 are inserted into the first pipe 1 and the second pipe 2. Then, the bolts and nuts are connected to the second connecting plate 5, the protective ring 61 and the first connecting plate 3 to complete the sealed connection.

[0026] Utilizing the technical solution described in the present invention, or those skilled in the art designing similar technical solutions inspired by the technical solution of the present invention to achieve the above-mentioned technical effects, all fall within the scope of protection of the present invention.

Claims

1. A novel internal connection sealing device for a water conservancy project pipeline, comprising a first pipeline (1) and a second pipeline (2); a second connection disk (5) is provided on the right side of the first pipeline (1); a first connection disk (3) is provided on the left side of the second pipeline (2); an assembly reinforcement cylinder structure (4) is connected to the outer sides of the second connection disk (5) and the first connection disk (3), respectively; an interlaced sealing disk structure (6) is connected between the first connection disk (3) and the second connection disk (5), and is characterized in that: The assembly reinforcement tube structure (4) includes an outer connecting sleeve (41), the inner four sides of the outer connecting sleeve (41) are respectively threadedly connected with assembly bolts (42), and the inner side of the assembly bolts (42) is threadedly connected with an inner connecting sleeve (43); the inner connecting sleeve (43) is arranged on the inner side of the outer connecting sleeve (41); and the outer wall of the inner connecting sleeve (43) is inlaid with a sealing sleeve (44).

2. The novel internal connection sealing device for water conservancy project pipelines according to claim 1, characterized in that: The interpenetrating sealing disc structure (6) comprises a protective ring (61), and a first protective tube (62) and a second protective tube (63) are respectively integrated at the left and right ends of the protective ring (61).

3. The novel internal connection sealing device for water conservancy project pipelines according to claim 1, characterized in that: The outer connecting sleeve (41) and the inner connecting sleeve (43) are respectively welded to the left end of the second connecting disk (5) and the right end of the first connecting disk (3).

4. The novel internal connection sealing device for water conservancy project pipelines according to claim 1, characterized in that: The inner connecting sleeves (43) are respectively inserted into the inner sides of the first pipe (1) and the second pipe (2), and are fixed by assembly bolts (42).

5. The novel internal connection sealing device for water conservancy project pipelines according to claim 2, characterized in that: The sealing cylinder (44) is a rubber cylinder, and its interior is connected with the assembly bolt (42) through insertion to maintain the sealing of the connection.

6. The novel internal connection sealing device for water conservancy project pipelines according to claim 2, characterized in that: The protective ring (61) is a rubber ring, and bolts and nuts are fixed at the connection between the first connection plate (3) and the second connection plate (5) to maintain a sealing effect at the connection.